Asteroid General Data

1996 GT (65803 Didymos)

General information

Preliminary designation	1996 GT
Name	Didymos
Number	65803
Group	Apollo
Absolute magnitude	18.11
Approximate diameter (m)	630
Approximate mass (kg)	4.68·10¹¹
Number of observations	5966
Arc length (days)	10561

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	307.678031
a – orbit major semiaxis (astronomical units)	1.64277600
e – orbit eccentricity	0.38310900
ω – orbit ascending node-perihelion angle (degrees)	319.575257
Ω – longitude of orbit ascending node (degrees)	72.985247
i – orbit inclination to the ecliptic plane (degrees)	3.413790

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	347.511695	1.64140096	0.38306571	316.447050	74.929535	3.374610	1.01263654	2.102919
01/21/1858	272.204602	1.64284997	0.38341750	316.723960	74.778880	3.375466	1.01295255	2.105705
01/29/1887	195.701465	1.64431031	0.38387967	317.177461	74.523263	3.381557	1.01309301	2.108513
02/07/1916	114.592187	1.64271328	0.38323352	317.646822	74.210092	3.384882	1.01317048	2.105442
02/14/1945	36.583309	1.64125681	0.38273874	318.203968	73.798800	3.394838	1.01308426	2.102642
02/22/1974	322.927326	1.64255633	0.38319613	318.575632	73.615688	3.396409	1.01313509	2.105140
03/02/2003	246.963292	1.64201370	0.38296176	318.890077	73.442013	3.396219	1.01318524	2.104097
03/09/2032	163.882578	1.64245493	0.38324130	319.670074	72.954329	3.414436	1.01299837	2.104945
03/17/2061	85.183829	1.64287659	0.38333312	319.973226	72.765920	3.413151	1.01310758	2.105756
03/25/2090	11.245583	1.64225207	0.38313716	320.706450	72.262199	3.430916	1.01304428	2.104555
04/03/2119	297.148012	1.64147676	0.38281720	320.974197	72.110145	3.431123	1.01309122	2.103065
04/10/2148	224.516646	1.64186312	0.38299729	321.741757	71.554532	3.454762	1.01303399	2.103808
04/18/2177	152.115142	1.64135588	0.38269380	322.044130	71.361535	3.453650	1.01321916	2.102833

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